天堂国产午夜亚洲专区-少妇人妻综合久久蜜臀-国产成人户外露出视频在线-国产91传媒一区二区三区

一株植物乳桿菌Lp3對高脂模型大鼠的益生作用

發(fā)布時(shí)間:2018-09-07 11:42
【摘要】:【目的】本研究通過構(gòu)建大鼠高脂結(jié)構(gòu)模型來探究一株植物乳桿菌Lp3的益生作用!痉椒ā恐参锶闂U菌Lp3篩選自青藏高原地區(qū)傳統(tǒng)發(fā)酵的牦牛酸奶,初步認(rèn)定Lp3是一株具有良好耐受力的降膽固醇菌株,且體外益生特性突出,本研究通過建立高脂SD大鼠模型,在飼喂試驗(yàn)動(dòng)物高脂飼料的同時(shí)灌胃植物乳桿菌Lp3,來確定該菌株對試驗(yàn)動(dòng)物血脂的影響效果,并同時(shí)研究其對大鼠腸道菌群、糞便水分、糞便中膽固醇和膽汁酸含量的影響,以及對肝臟組織中的膽固醇(TC)和甘油三酯(TG)的影響!窘Y(jié)果】結(jié)果表明,植物乳桿菌Lp3對大鼠沒有任何明顯的毒副作用,對高脂模型大鼠具有良好的降血脂效果。飼喂高脂飼料并灌喂乳酸菌Lp3組大鼠(HL)的血清總膽固醇、甘油三酯和低密度脂蛋白膽固醇含量較飼喂高脂飼料組(HC)顯著減少(P0.05),但是高密度脂蛋白膽固醇的含量變化并不明顯。HC組大鼠與HL組及飼喂普通日糧組(對照組)大鼠相比較,HC組大鼠糞便中大腸桿菌數(shù)量明顯增加,雙歧桿菌、乳桿菌數(shù)量明顯減少。但是灌胃乳酸菌的HL組大鼠的糞便中乳桿菌數(shù)略高于對照組,大腸桿菌和雙歧桿菌數(shù)量和對照組大鼠的基本一致。表明植物乳桿菌Lp3具有維持腸道菌群平衡的作用。此外灌胃乳酸菌后HL組大鼠糞便含水量比HC組要高6.44%。HC組大鼠肝臟組織中膽固醇和甘油三酯要顯著高于HL組(P0.05),說明Lp3可以減少脂類物質(zhì)在肝臟組織中的沉積。從肝臟組織切片來看,也可以得出上述結(jié)論!窘Y(jié)論】結(jié)果表明本研究所篩選的植物乳桿菌Lp3對高脂大鼠具有值得深入研究的益生作用。
[Abstract]:[objective] to study the probiotic effect of a Lactobacillus plantarum Lp3 strain by establishing a rat hyperlipidemia model. [methods] Lactobacillus plantarum Lp3 was used to screen yak yoghurt from Qinghai-Tibet Plateau. It was preliminarily concluded that Lp3 was a cholesterol-lowering strain with good tolerance, and its probiotic characteristics were prominent in vitro. In this study, a rat model of high-fat SD was established. In order to determine the effect of Lactobacillus plantarum Lp3, on blood lipids, the effects of Lactobacillus plantarum Lp3, on intestinal flora, fecal moisture, cholesterol and bile acid in rats were studied. The results showed that Lactobacillus plantarum Lp3 had no obvious side effects on rats, and had a good effect on reducing blood lipid in hyperlipidemic rats. The serum total cholesterol of rats fed with high fat diet and fed with lactic acid bacteria (Lp3) group was compared with that of (HL) group. The contents of triglyceride and low density lipoprotein cholesterol were significantly lower than those of high fat diet group (P0.05), but the content of high density lipoprotein cholesterol did not change significantly. HC group, HL group and general diet group (control group). The number of Escherichia coli in feces of rats in HC group was significantly higher than that in control group. The number of Bifidobacterium and Lactobacillus decreased significantly. However, the number of lactobacillus in feces of HL group was slightly higher than that of control group, and the number of Escherichia coli and Bifidobacterium was basically the same as that of control group. The results showed that Lactobacillus plantarum Lp3 could maintain the balance of intestinal flora. In addition, the fecal water content of HL group was significantly higher than that of HC group compared with HC group (P0.05), indicating that Lp3 could reduce lipid deposition in liver tissue. Conclusion: the results showed that Lactobacillus plantarum Lp3 screened in this study had a prebiotic effect on hyperlipidemic rats.
【作者單位】: 蘭州大學(xué)生命科學(xué)學(xué)院草地農(nóng)業(yè)生態(tài)系統(tǒng)國家重點(diǎn)實(shí)驗(yàn)室;蘭州生物制品研究所;
【基金】:國家自然科學(xué)基金(31272486)~~
【分類號】:R-332;R589.2

【相似文獻(xiàn)】

相關(guān)期刊論文 前10條

1 ;某些因素對大鼠胃肌電的影響[J];基礎(chǔ)醫(yī)學(xué)與臨床;2001年S1期

2 李淑云;簡易大鼠灌胃器的制作[J];錦州醫(yī)學(xué)院學(xué)報(bào);2001年04期

3 孫同柱,付小兵,翁立新,梁雪梅,陳偉;介紹一種簡易的大鼠保定方法[J];上海實(shí)驗(yàn)動(dòng)物科學(xué);2004年01期

4 周劍鋒,李娜,袁發(fā)煥,張耀全;腎間質(zhì)纖維化模型建立中大鼠行為改變的研究[J];中國行為醫(yī)學(xué)科學(xué);2005年04期

5 符路娣;蔡海云;;介紹一種簡便的大鼠灌胃方法[J];中獸醫(yī)學(xué)雜志;2006年03期

6 劉海燕;;灌注固定大鼠的技術(shù)操作及常見問題[J];齊齊哈爾醫(yī)學(xué)院學(xué)報(bào);2006年11期

7 馮雪建;盧占軍;高登慧;;大鼠灌胃給藥方法的研究[J];實(shí)驗(yàn)動(dòng)物科學(xué)與管理;2006年04期

8 梁秀蘭;阮祥燕;蔣輝;王迎;;SD大鼠絕經(jīng)模型建立的研究[J];醫(yī)學(xué)綜述;2010年09期

9 楊光瑜;周繼紅;尹志勇;張岫竹;張良;劉大維;;低頻共振對大鼠生理功能影響研究[J];醫(yī)用生物力學(xué);2011年02期

10 郭恒怡,劉探娥,曹青,孫瑛,蔡英年,鄧希賢,陳華粹;缺氧敏感性不同的兩種大鼠心、肺組織腎上腺素類受體的比較[J];生理科學(xué);1986年05期

相關(guān)會(huì)議論文 前10條

1 櫖蒲生;王日宏;杝灄生;,

本文編號:2228164


資料下載
論文發(fā)表

本文鏈接:http://sikaile.net/xiyixuelunwen/2228164.html


Copyright(c)文論論文網(wǎng)All Rights Reserved | 網(wǎng)站地圖 |

版權(quán)申明:資料由用戶a8b86***提供,本站僅收錄摘要或目錄,作者需要?jiǎng)h除請E-mail郵箱bigeng88@qq.com
色好吊视频这里只有精| 自拍偷女厕所拍偷区亚洲综合| 午夜福利在线观看免费| 日本国产欧美精品视频| 欧美日韩在线视频一区| 激情爱爱一区二区三区| 色婷婷视频国产一区视频| 国内精品一区二区欧美| 国产极品粉嫩尤物一区二区| 亚洲做性视频在线播放| 黄片在线免费观看全集| 国产熟女一区二区三区四区| 精品综合欧美一区二区三区| 日本加勒比不卡二三四区| 国产av大片一区二区三区| 国产高清一区二区白浆| 国产又粗又猛又爽又黄| 精品亚洲香蕉久久综合网| 亚洲国产精品av在线观看| 日韩黄色一级片免费收看| 黑色丝袜脚足国产一区二区| 98精品永久免费视频| 91久久精品在这里色伊人| 欧美国产日产在线观看| 国产免费无遮挡精品视频| 又黄又硬又爽又色的视频| 中文字幕无线码一区欧美| 亚洲日本久久国产精品久久| 亚洲一区二区亚洲日本| 欧美视频在线观看一区| 麻豆tv传媒在线观看| 久七久精品视频黄色的| 99久久国产精品亚洲| 欧美日韩精品久久第一页| 成人午夜在线视频观看| 中文字幕亚洲精品乱码加勒比| 国产成人午夜在线视频| 欧美一级日韩中文字幕| 欧美日韩国内一区二区| 国产精品蜜桃久久一区二区| 九九热九九热九九热九九热|